Two Union Pacific locomotives derailed on a St. Paul bridge this morning, resulting in approximately 3,500 gallons of diesel fuel being released into the Mississippi River. It happened around 2 am on the Hoffman bridge. Union Pacific Environmental teams responded immediately to absorb the spilled material. They’re also are deploying boats with equipment capable of suctioning or collecting pockets of fuel from the water. Barge traffic in the area is closed. Union Pacific is working closely with the EPA and state of Minnesota to quickly and safely clean up the river. No injuries have been reported. The cause of the derailment is under investigation.